# 数据处理层Model：实现数据读取、写入
# 从 json 文件读取和写入
import json


def read_data(path):
    with open(path, mode='r', encoding='utf-8') as f:
        data = json.load(f)
    return data


def write_data(data_list, path):
    with open(path, mode='w', encoding='utf-8') as f:
        json.dump(data_list, f, ensure_ascii=False)


if __name__ == '__main__':
    # 测试一下 read_data()
    path = r'users.json'
    print(read_data(path))

    # 测试一下 write_data()
    user_list = [{"username": "zhangsan", "password": "123"}, {"username": "lisi", "password": "123"},
                 {"username": "wangwu", "password": "123"}]
    write_data(user_list, path)
